Bosch Rexroth | Z2FRM6CB2-2X32QRV
Z2FRM6CB2-2X/32QRV
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The Z2FRM6CB2-2X/32QRV flow control valve is produced by Bosch Rexroth and belongs to the Z2FRM 2-Way Flow Control Valves series. It meters oil in both A and B channels to keep actuator speeds constant in hydraulic automation circuits. Flow rate is set through an internal hexagon adjustment element, and an integrated check valve allows unrestricted reverse flow. The cartridge mounts to subplates that follow porting pattern ISO 4401-03-02-0-05. The unit withstands operating pressures up to 315 bar while maintaining flow within ±3 % of the set value. Accurate throttling starts when the system builds at least 7 bar differential, and full-capacity regulation requires 18 bar.
The valve handles volumes to 32 l/min across a viscosity window of 10–800 mm²/s, supporting a wide range of hydraulic fluids. Reliable sealing is provided by FKM elastomers, and all components tolerate fluid temperatures from −20 °C to +80 °C. Contamination limits follow ISO 4406 class 20/18/15, so adequate filtration is necessary to protect the metering edge. The assembly can be installed in any orientation and weighs 1.4 kg, which simplifies manifold design and service work. These characteristics enable stable flow control even when oil density changes with temperature and ensure consistent performance throughout the system’s duty cycle.
Technical Specifications
Adjustment Type
Internal hexagon
Check Valve
Yes
Cleanliness Class
ISO 4406 20/18/15
Flow Control Function
A and B channels
Hydraulic Fluid Temp Range
-20 to +80 C
Installation Position
Any
Max Flow
32 l/min
Max Operating Pressure
315 bar
Min Pressure Differential (qv Max)
18 bar
Min Pressure Differential (qv Min)
7 bar
Porting Pattern
ISO 4401-03-02-0-05
Pressure Stability
+/−3% (dp <= 315 bar)
Seal Material
FKM
Valve Weight
1.4 kg
Viscosity Range
10 to 800 mm2/s
1620 Old Apex Road
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